585      * @param bool|string $token_file (default: false)
588 …hod = false, $controller = false, $identifiers = array(), $params = array(), $token_file = false) {  argument
597         $this->curl_set_connection ($token_file);
606             $this->curl_add_token_header ($token_file);
616             if ($this->result['code']=="401" && $token_file!==false) {
618                 $this->delete_token_file ($token_file);
620                 $this->curl_add_token_header ($token_file);
642      * @param mixed $token_file
645     private function curl_set_connection ($token_file) {  argument
740      * @param mixed $token_file
743     private function curl_add_token_header ($token_file) {  argument
744         if($token_file!==false) {
746             $token = @file($token_file);
756                     $this->write_token_file ($token_file);
762                 $this->write_token_file ($token_file);
820      * @param mixed $token_file
823     private function delete_token_file ($token_file) {  argument
826             $myfile = fopen($token_file, "w");
832              $this->exception("Cannot write file $token_file");